the secretary of state has done so as well. if check cal weapons are used, this becomes a red line and becomes something as the president said a few months ago, changes his cal cue louse. i think we have been out there very clearly saying that use chemical weapons and everything is going to change in terms of the possibility of american intervention. >> we have been talking about those words. what is the u.s. willing to do? are we specifically talking act boots on the ground? >> i suspect we are not talking boots on the ground. there are probably ways to get at this without that, probably from the air. i think we are probably also coordinating closely with turkey, jordan and israel because all of those countries have a profound concern, if in fact, chemical weapons are used or control is lost. >> when we talk about the chemical weapon, there's an article that says they are skeptical that reports are accurate. there may be no evidence showing assad is planning to use them if he had them. are you concerned that we have going to s